Question : Internal DNS

Our DNS is hosted at ns1.mediatemple.net which is fine.  I would like to redirect any queries to mail.domain.tld to our internal 10.X address rather than our 24.X external address while people are on our lan.  This is a simple thing to do on a windows network yet I cannot for the life of me figure out how to do it successfully.  Do I need to create a secondary zone on my server and transfer everything from mediatemple?  Or can I create a single record somewhere?

Answer : Internal DNS

Hey,

Create a zone under Forward Lookup Zones called "mail.domain.tld".

You can set it as AD Integrated if you have all that, but don't allow Dynamic Updates.

Delete all Hosts(A) Records, then add a new one with a blank name (which makes it "(same as parent folder)") and set the 10.X IP there.

That means any request for mail.domain.tld will resolve to the private IP internally, all other requests for domain.tld will resolve via the normal public servers.

HTH

Chris